As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a “zombie.” And, after returning from Mrs. Wolowitz’ funeral, Bernadette and Howard run into trouble at the airport.

Movie rating: 7.8 / 10 (3399)

Directed by: Chuck Lorre - Mark Cendrowski - Bill Prady - Steven Molaro

Writer credits: Chuck Lorre - Chuck Lorre - Bill Prady

Cast: Johnny Galecki - Jim Parsons - Kaley Cuoco-Sweeting - Simon Helberg - Kunal Nayyar

AKA: The.Big.Bang.Theory.S08.Constellation Prize Chuck, Jim & Kaley Make the Hollywood Walk of Fame, The Big Bang Theory, The.Big.Bang.Theory.S10.#JustAskBBT, The.Big.Bang.Theory.S08.If I Had to Go to Mars, The.Big.Bang.Theory.S10.Best of The Big Bang Theory 2016 Comic-Con Panel, The.Big.Bang.Theory.S08.It's a Quark... It's an Atom... It's the #BBTSuperfans!, The Celebration Reverberation, Agymenők

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